WO2022161044A1

WO2022161044A1 - Paper container manufacturing apparatus

Info

Publication number: WO2022161044A1
Application number: PCT/CN2021/140493
Authority: WO
Inventors: 王建平
Original assignee: 浙江新发现机械制造有限公司
Priority date: 2021-01-27
Filing date: 2021-12-22
Publication date: 2022-08-04
Also published as: CN112917991A

Abstract

A paper container manufacturing apparatus, comprising: a machine table (10); a paper container shaping mechanism (20) for shaping fan-shaped paper into a paper container having two open ends; a hot-air blowing mechanism (30) for blowing hot air into one end of the paper container so as to improve the elasticity of the end of the paper container; a bottom curling mechanism (40) for curling the end of the paper container that is hot-blown toward the interior of the paper container; a bottom-paper-feeding mechanism (50) for feeding bottom paper into the paper container; and a bottom-pressing mechanism (60) for connecting an edge of the bottom paper to a curled portion of the paper container together in a pressing manner to form the paper container.

Description

A kind of paper container manufacturing equipment

Related applications

This application claims the priority of the Chinese patent application filed on January 27, 2021, the application number is 202110109305.6, and the invention name is "a paper container manufacturing equipment", the entire content of which is incorporated into this application by reference.

technical field

The present application relates to the field of packaging technology, and in particular, to a paper container manufacturing equipment.

Background technique

Due to the increasing awareness of environmental protection, the use of paper containers to replace plastic containers is increasingly becoming a trend. Common disposable food utensils include paper bowls, cartons, paper bags, paper containers, etc. Among them, most of the polygonal paper containers are directly injection-molded by pulp, and then lamination is performed on them to prevent water. The advantages of this kind of paper container manufacturing equipment are low cost and fast manufacturing speed, but its strength is low, because the pulp has poor fluidity and poor high temperature resistance, so that the thickness of the paper container made of pulp is generally small and the depth is not enough. , Therefore, it is generally softer and is mostly used in cake shops, dessert shops and other occasions.

SUMMARY OF THE INVENTION

In view of this, the present application provides a paper container manufacturing equipment for rolling paper-like containers to meet market demands.

A paper container manufacturing equipment, comprising a machine, a paper container shaping mechanism arranged on the machine, a hot air blowing mechanism arranged on the machine, a bottom rolling mechanism arranged on the machine, A bottom sheet feeding mechanism on the machine table, and a bottom pressing mechanism arranged on the machine table. The paper container shaping mechanism is used for shaping the fan-shaped paper sheet into a paper container with two ends open. The hot air blowing mechanism is used for blowing hot air to one end of the paper container to improve the elasticity of the one end of the paper container. The bottom rolling mechanism is used for rolling one end of the heated paper container toward the inside of the paper container. The bottom sheet feeding mechanism is used for feeding the bottom sheet into the paper container. The bottom pressing mechanism is used for pressing the edge of the bottom sheet and the curled portion of the paper container together to form the paper container.

Further, the paper container shaping mechanism shapes the fan-shaped paper sheet into a polygonal paper container, a circular paper container, or an oval paper container.

Further, the paper container manufacturing equipment includes two hot air blowing mechanisms, and the bottom rolling mechanism is arranged between the two hot air blowing mechanisms.

Further, the paper container manufacturing equipment includes two bottom pressing mechanisms arranged in sequence.

Further, the paper container manufacturing equipment further includes a water injection line forming mechanism, and the water injection line forming mechanism is used to form a water injection line on the side wall of the paper container.

Further, the bottom paper sheet feeding mechanism includes a cup bottom paper preheating mechanism, and a cup bottom forming mechanism, the cup bottom paper preheating mechanism is used to heat the bottom paper sheet for curling, and the cup bottom is formed. The mechanism is used for crimping the hem during the feeding of the bottom sheet into the cup bottom forming mechanism.

Further, the paper container manufacturing equipment further includes a cup rim crimping device, and the cup rim crimping device is used for crimping the other end of the paper container.

Further, the cup top crimping device includes a crimping preheating mechanism, and the crimping preheating mechanism is used to heat the edge of the paper container before crimping.

Further, the cup edge curling device further includes a curling mechanism, and the curling mechanism is used for curling the edge of the paper container to form a curling edge.

Further, the cup edge crimping device further includes an oil rubbing mechanism, and the oil rubbing mechanism is used for rubbing oil on the edge of the paper container before crimping to facilitate subsequent crimping.

Compared with the related art, the paper container manufacturing equipment provided in the present application can roll a fan-shaped paper sheet into a paper container according to actual needs, and at the same time, according to actual needs, different thicknesses of paper can be selected to manufacture the paper container, so that the paper container can be Can be used in any occasion.

Description of drawings

FIG. 1 is a schematic structural diagram of a paper container manufacturing apparatus provided in a first embodiment of the present application.

FIG. 2 is a schematic structural diagram of a paper container manufacturing apparatus provided in a second embodiment of the present application.

Detailed ways

The specific embodiments of the present application will be further described in detail below. It should be understood that the descriptions of the embodiments of the present application herein are not intended to limit the protection scope of the present application.

As shown in FIG. 1 , which is a schematic structural diagram of the paper container manufacturing equipment provided by the present application. The paper container manufacturing equipment includes a machine 10 , a paper container shaping mechanism 20 arranged on the machine 10 , a hot air blowing mechanism 30 arranged on the machine 10 , and a roll arranged on the machine 10 . The bottom mechanism 40 , the bottom sheet feeding mechanism 50 arranged on the machine table 10 , the bottom pressing mechanism 60 arranged on the machine table 10 , and the cup edge curling device 80 arranged on the machine table 10 . The paper container manufacturing equipment also includes other functional modules, such as a rotating mechanism, a driving mechanism, an electrical connection assembly, etc., which are well known to those skilled in the art, and will not be described in detail here.

The machine 10 should be a related technology, which is used to carry and connect various functional modules, such as the paper container shaping mechanism 20, the hot air blowing mechanism 30, etc. Therefore, its structure and connection method are not described in detail here.

The paper container shaping mechanism 20 itself is a related art, which is used for shaping a fan-shaped paper sheet into a paper container with both ends open. The paper container can be a polygonal paper container, a circular paper container, or an oval paper container, which can be set according to actual needs. As the paper used as paper container, its surface is coated with waterproof coating, such as PE (polyethylene), PP (polypropylene), PLA (polylactide), PBS (polybutylene succinate), Or PET (polyethylene terephthalate) etc. Therefore, when the paper container shaping mechanism 20 shapes the paper container, the two ends of the fan-shaped paper sheet can be bonded together by heating to form a paper tube.

The structure of the hot air blowing mechanism 30 is a related art, which is used for blowing hot air to one end of the paper container to improve the elasticity of the one end of the paper container. One end of the paper container needs to be crimped to combine with the bottom sheet of paper to form the bottom of the paper container. The number of the hot air blowing mechanisms 30 can be selected as required. In this embodiment, there are two hot air blowing mechanisms 30 .

The structure of the bottom rolling mechanism 40 is a related art, which is used for rolling one end of the heated paper container toward the inside of the paper container. Through the action of the bottom rolling mechanism 40 , one end of the paper container is bent back toward the inside of the paper container but does not adhere to the inner side wall of the paper container, so as to combine with the bottom paper sheet to form a paper container with one end closed.

The structure of the bottom sheet feeding mechanism 50 is a related art for feeding the bottom sheet into the paper container to be combined with the paper container. The bottom sheet feeding mechanism 50 includes a cup bottom paper preheating mechanism 51 and a cup bottom forming mechanism 52 . The cup bottom paper preheating 51 is used for blowing heat on the bottom paper sheet for the next step of curling. The purpose of preheating is also to increase the elasticity of the bottom sheet to avoid breakage during curling. The cup bottom forming mechanism 52 is used for crimping the bottom sheet during the process of feeding the bottom sheet into the cup bottom forming mechanism 52 .

The bottom pressing mechanism 60 itself is also a related art for pressing the edge of the bottom sheet and the curled portion of the paper container together to form the paper container.

The cup crimping device 80 is used for crimping the other end of the paper container, and includes an oiling mechanism 81 , a crimping preheating mechanism 82 , and a crimping mechanism 83 . The oiling mechanism 81 is used for oiling the edge of the paper container before rolling, so as to facilitate the subsequent rolling. The toughness of the edge of the paper container can be improved by applying oil to facilitate the subsequent rolling. The curling preheating mechanism 82 is used to pre-roll the edge of the paper container while blowing hot air to the edge of the oiled paper container to increase the elasticity of the edge of the paper container. The number of the hemming mechanisms 83 can be set according to actual needs, and the shape of each hemming mechanism 83 to be hemmed can also be designed according to the actual process. efficiency.

FIG. 2 is a schematic structural diagram of a paper container manufacturing apparatus provided by a second embodiment of the present application. The paper container manufacturing equipment provided by the second embodiment includes a machine 100, a paper container shaping mechanism 200 arranged on the machine 100, a hot air blowing mechanism 300 arranged on the machine 100, The bottom rolling mechanism 400 on the machine 100, the bottom sheet feeding mechanism 500 set on the machine 100, the bottom pressing mechanism 600 set on the machine 100, the water injection line forming on the machine 100 The mechanism 700, and the cup edge crimping device 800 arranged on the machine 100.

Compared with the first embodiment, the paper container manufacturing equipment provided in the second embodiment has a machine 100, a paper container shaping mechanism 200, a hot air blowing mechanism 300, a bottom rolling mechanism 400, a bottom pressing mechanism 600, and a water injection molding mechanism. 700 has the same structure and function as the corresponding mechanisms of the first embodiment, namely the machine 10, the paper container shaping mechanism 20, the hot air blowing mechanism 30, the bottom rolling mechanism 40, the bottom pressing mechanism 60, and the water injection molding mechanism 70, here It will not be described in detail anymore.

In the second embodiment, the bottom sheet feeding mechanism 500 includes a bottom paper cutting mechanism 501 , a cup bottom paper preheating mechanism 502 , and a crimping mechanism 503 . The bottom paper cutting station 501 cuts the bottom paper sheet from a whole paper tape. The cup bottom paper preheating mechanism 502 is used to heat the cut bottom paper sheet, so as to improve the elasticity and block toughness of the bottom paper sheet. The crimping mechanism 503 is used to crimp the folded edge formed by the bottom sheet of paper again for further forming. After the bottom sheet is formed, the crimping mechanism 503 feeds it into the rolled container.

The cup edge crimping device 800 includes an oiling mechanism 801 , a preheating mechanism 802 , a primary crimping mechanism 803 , and a secondary crimping mechanism 804 . The oiling mechanism 801 is used for oiling the edge of the paper container before rolling to facilitate subsequent rolling. The toughness of the edge of the paper container can be improved by applying oil to facilitate the subsequent rolling. The hemming preheating mechanism 802 is used for blowing hot air to the edge of the oiled paper container to increase the elasticity of the edge of the paper container. The structure of the primary crimping mechanism 803 itself is a related art, which pre-crimps the edge of the paper container, that is, if the winding angle of the crimping edge is greater than or equal to 360 degrees, the primary crimping mechanism 803 can The edges are wound at an angle of 120 degrees to 180 degrees. The secondary crimping mechanism 804 crimps the edge of the paper container to a final position, eg, greater than or equal to 360 degrees. If it is rolled into other shapes, such as a square, it will be rolled in the same way.

The paper container manufacturing apparatus provided by the second embodiment further includes an injection molding mechanism 700 disposed on the machine table 100 . The water injection line forming mechanism 700 itself is also a related art, which is used to form a water injection line on the side wall of the paper container. The water filling line is the highest water level paper when the paper container is used. When the paper container is used to hold liquids such as milk tea or instant noodles, the water line is used to mark the amount of water added.

Compared with the first embodiment, the paper container manufacturing apparatus provided in the second embodiment can manufacture thicker paper containers.

The above are only preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Any modifications, equivalent replacements or improvements within the spirit of the present application are all included within the scope of the claims of the present application.

Claims

A paper container manufacturing equipment is characterized in that, the paper container manufacturing equipment comprises a machine, a paper container shaping mechanism arranged on the machine, a hot air blowing mechanism arranged on the machine, The bottom rolling mechanism on the machine table, the bottom paper sheet feeding mechanism provided on the machine table, and the bottom pressing mechanism provided on the machine table, the paper container shaping mechanism is used to shape the fan-shaped paper sheet into two pieces. A paper container with an open end, the hot air blowing mechanism is used for blowing hot air to one end of the paper container to improve the elasticity of the one end of the paper container, and the bottom rolling mechanism is used for blowing the heated end of the paper container The curling is performed towards the inside of the paper container, the bottom sheet feeding mechanism is used for feeding the bottom sheet into the paper container, and the bottom pressing mechanism is used for curling the edge of the bottom sheet with the curling of the paper container The parts are crimped together to form the paper container.
The paper container manufacturing equipment according to claim 1, wherein the paper container shaping mechanism shapes the fan-shaped paper sheet into a polygonal paper container, a circular paper container, or an oval paper container.
The paper container manufacturing apparatus according to claim 1, wherein the paper container manufacturing apparatus comprises two of the hot air blowing mechanisms, and the bottom rolling mechanism is provided between the two hot air blowing mechanisms.
The paper container manufacturing equipment according to claim 1, wherein the paper container manufacturing equipment comprises two bottom pressing mechanisms arranged in sequence.
The paper container manufacturing equipment according to claim 1, characterized in that, the paper container manufacturing equipment further comprises a water injection line forming mechanism for forming a water injection line on the side wall of the paper container.
The paper container manufacturing equipment according to claim 1, wherein the bottom paper sheet feeding mechanism comprises a cup bottom paper preheating mechanism, and a cup bottom forming mechanism, and the cup bottom paper preheating mechanism is used to heat the bottom of the cup. The bottom paper sheet is blown and heated to be curled, and the cup bottom forming mechanism is used for crimping the bottom sheet during the process of feeding the bottom paper sheet into the cup bottom forming mechanism.
The paper container manufacturing equipment according to claim 1, characterized in that, the paper container manufacturing equipment further comprises a cup rim crimping device, and the cup rim crimping device is used for crimping the other end of the paper container. .
The paper container manufacturing equipment according to claim 7, wherein the cup edge crimping device comprises a preheating mechanism for crimping, and the preheating mechanism for crimping is used for the edge of the paper container before the crimping. to heat.
The paper container manufacturing equipment according to claim 7, wherein the cup edge crimping device comprises a crimping mechanism for rolling the edge of the paper container to form a crimp.
The paper container manufacturing equipment according to claim 7, wherein the cup edge crimping device comprises an oil rubbing mechanism, and the oil rubbing mechanism is used for rubbing oil on the edge of the paper container before crimping so as to Useful for subsequent rolls.